Seth Mates
@SethMates
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Baseball card / collectibles guy (among other things!) at @BaseballAmerica. Former @WWE TV writer. Just the right amount of crazy.
Joined July 2010
BREAKING: The Saudi group checked WWE's medicals and the deal is off. WWE now expected to be sold to the Minnesota Twins. (This tweet has a VERY specific target audience, who I hope will properly appreciate it.)
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🚨BREAKING NEWS🚨
Leaf Trading Cards has signed a deal to produce cards from the Under Armour All-America Game 👀 More details here: https://t.co/qRRpQos28v
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Leaf Trading Cards has signed a deal to produce cards from the Under Armour All-America Game 👀 More details here: https://t.co/qRRpQos28v
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Breaking hobby news: @Leaf_Cards has signed a deal with @UnderArmour All America Game to produce exclusive cards, @BaseballAmerica has learned https://t.co/vED7G2r3Cs
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Limited number of Topps Tier One hobby boxes are available in the Fanatics app for $320 each now (with 5% Fancash back) ...
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So the school district that lady from the Phillies game supposedly worked for has the same logo as the NY/NJ Hitmen from the original XFL?
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Ken Griffey Jr's 1989 Upper Deck rookie card has become iconic in the sports collectibles world. And Baseball America had a hand in creating it. Here's how: https://t.co/dbOW8JGAd3
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Leaf signed a deal with MLBPA to begin making minor league cards this summer. We've got an exclusive look at cards from the first products - Leaf Trinity and Leaf Baseball nation - which are out TODAY! More photos and details: https://t.co/bQf0I0Nspw
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Topps has posted that 2025 Pro Debut will be available on Monday, Sept. 8. More from @BaseballAmerica here on the all-new @MiLB Logo Man patch chase: https://t.co/QhEHpFpGDs
baseballamerica.com
Topps Pro Debut 2025 introduces the minor league Logo Man chase, featuring game-worn MiLB logo patches on exclusive autographed 1/1 cards.
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Update: The Topps website (which was just redesigned, btw!) now lists the Bowman Chrome release date as Sept. 24.
Now seeing a Sept. 24 release date in places for Bowman Chrome, rather than the Sept. 10 that Topps had initially put out there. Is there any confirmation of this anywhere?
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Now seeing a Sept. 24 release date in places for Bowman Chrome, rather than the Sept. 10 that Topps had initially put out there. Is there any confirmation of this anywhere?
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The 2026 schedule is here 😍 10 key dates to know: https://t.co/dVABObbb8w
baseballamerica.com
With the 2026 MLB schedule dropping on Tuesday, here are the dates you should circle ahead of time on your calendar.
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So what happens with the Topps MVP Buyback program if Cal Raleigh wins MVP? We found out!
The Topps MVP Buyback program is simple. Collect cards of players who might win MVP, then cash in for credit if they do. There's just one problem. Cal Raleigh didn't have a card in the Topps Chrome release last month 😬 https://t.co/1gogb6jNrC
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The Logo Man chase is coming to 2025 Topps Pro Debut!
Over the weekend, a 1/1 card with NBA Logo Man patches from Kobe Bryant and Michael Jordan sold for nearly $13 million. Now, MiLB is joining the Logo Man fun. 2025 Topps Pro Debut will introduce the Minor League Logo Man chase. More details:
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The auction runs through the weekend 🙏 https://t.co/sv91hxPvXD
baseballamerica.com
The San Antonio Missions are auctioning off jerseys signed by several Padres & Red Sox players to help raise money.
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The 2025 Bowman Chrome checklist is here! Find out which top prospects are in the set and who we're chasing:
baseballamerica.com
Matt Pajak breaks down the 2025 Bowman Chrome checklist with a look at top MLB players, prospects, inserts and teams to target for breakers.
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One of the biggest prospect releases of the baseball card calendar is around the corner 👀 Bowman Chrome will be available for preorder beginning August 11 at 12 p.m. ET. More details: https://t.co/022NkCfZ4T
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The National Sports Collections Convention features a 650,000-square-foot space, different collectibles and autographs, appearances from athletes ... And some high price tags 😅 More on this year's convention: https://t.co/BHvCQdkA0I
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The mood at this year's National Sports Collections Convention? Happy. Collectors in Chicago were able to see autographs, memorabilia and “the most BA card of all time.” Read more: https://t.co/BHvCQdkA0I
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